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A circular metal loop whose radius is 6:0 cm carries a current of 5:0 A. It is horizontal, while the earth's field points North and 60? below the horizontal. (The earth's field has a magnitude of about 0:50 Gauss, which is 0:5 10?4 T.
a) If the current flows clockwise as viewed from above, then what is the magnitude and direction of the magnetic moment vector?b) What is the torque on the loop due to the earth's B-field?c) The loop would have the least possible energy if its magnetic moment were parallel to the B-eld.
How much work is needed to move it from this parallel position to the horizontal position described at the start?
At an outdoor market a bunch of bananas is set to oscillatory motion with amplitude of 20.0 cm on a spring with a force constant of 16 N/m.
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The temperature near the top of Saturn's cloud layer is about 110K. The temperature at the top of the earth's troposphere, Calculate the rms speed of hydrogen (H2) molecules in both of these environments
The brakes of a truck cause it to slow down by applying a retarding force of 4520 N to the truck over a distance of 1150 m
In the Bohr theory of the hydrogen atom, an electron moves with constant speed in a circular orbit about a proton, where the radius of the orbit is 0.53 x 10-10 m, Determine the electrostatic force exerted by the proton on the electron
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A free electron and a free proton are placed in an identical electric field. which of the following statement are true?
A 20.0- rock is sliding on a rough, horizontal surface at 8.00 and eventually stops due to friction. What is the total work they do on the supertanker
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the sound from a truck moving at 17.00 m/s reflects from a cliff and is heard by an observer on the truck. What is the change in frequency for a wave
An object is placed 3.9m from a lens with a focal length of -5.1 m. Determine the resulting image distance and magnification
A small statue is recovered in an archaeological dig. Its weight is measured to be 6.8 lb and its volume 0.09 ft3. What is the statue's weight density
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